Unused USB port pins in TetraHub

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    Question: How should the unused USB port (D+ and D-) be configured in the TetraHub?



    The TetraHub downstream USB port D+ and D- have internal 15K pull down. These unused ports D+/D- lines can be left floating. The port power, AMBER, and GREEN LED pins should be left unconnected, and the overcurrent pin should be tied high. The overcurrent pins are input pins and they should not be left floating. They need to be tied high.